<template>
  <div>
    <transition name="body">
      <div v-show="showEmoji">
        <span class="emoji-item"
              v-for="(value, key, index) in emojiListURL"
              :key="index"
              @click="addEmoji(key)">
          <img class="emoji" :src="value" :title="key" width="24px" height="24px"/>
        </span>
      </div>
    </transition>
  </div>
</template>

<script>
export default {
  props: {
    showEmoji: {
      type: Boolean
    }
  },
  data() {
    return {
      emojiList: this.$constant.emojiList,
      emojiListURL: {}
    };
  },
  created() {
    this.emojiListURL = this.getEmojiList(this.emojiList);
  },
  methods: {
    addEmoji(key) {
      this.$emit("addEmoji", key);
    },

    // todo 获取emoji表情包
    getEmojiList(emojiList) {
      let emojiName;
      let url;
      let result = {}
      for (let i = 0; i < emojiList.length; i++) {
        /*emojiName = "[" + emojiList[i] + "]";
        let j = i + 1;
        url = this.$constant.qiniuDownload + "emoji/q" + j + ".gif";
        result[emojiName] = url;*/
      }
      return result;
    }
  }
}
</script>

<style scoped>

.emoji-item {
  cursor: pointer;
  display: inline-block;
}

.emoji-item:hover {
  transition: all 0.2s;
  border-radius: 0.25rem;
  background: var(--lightGray);
}

.emoji {
  margin: 0.25rem;
  /* 把此元素放置在父元素的中部 */
  vertical-align: middle;
}
</style>
